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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

K5GUM callsign genealogy

Currently held by GIBSON, WILLIAM R

The FCC publishes a previous_call_sign on every amateur license — a self-link to the licensee's prior callsign. Following those links produces the chain below.

Previous callsigns

Older callsigns held by K5GUM's current licensee, walking backwards.

  1. K5GUAcancelled· E
    GIBSON, WILLIAM RGUgranted 2014-03-28cancelled 2014-05-10
  2. NH2CPcancelled· E
    GIBSON, WILLIAM RGUgranted 2006-01-17cancelled 2014-03-28

Successor callsigns

Callsigns held now by people who previously held K5GUM.

  1. KH2GUMactive· E
    GIBSON, WILLIAM RGUgranted 2024-06-07
← Back to K5GUM License history →